Machine for operating on heels.



I 1. F. smumsm MACHINE FOR OPERATING 0N HEELS.

APPLICATION FILED OCT-4| 19l5.

I Patented Aug. 13, 1918.

3 SHEETS-SHEET I.

r mum arms mupnmumuu \vuumumn. n. c.

J. F. STANDISH.

MACHINE FOR OPERATINGDN HEELS.

APPLICATION FILE!) OCT- 4, l9l5.

Patented Aug. 13, 1918.

3 SHEETS-SHEET 2.

Fig. 5.

'1. F STANDISH.

MACHINE FOR OPERATING 0N HEELS.

APPLICATION FILED OCT-4.1915.

1,275,490. Patehted Aug. 13, 191&

3 SHEETS- -SHEET 3- Figll. v awa m 4 'more combined heel parts.

UNITED STATES PATENT OFFICE.

JOHN F. STANDISI-L- OF WINTHBOP, MASSACHUSETTS, ASSIGNOR, BY MESNEASSIGN- MENTS, TO UNITED SHOE MACHINERY GORPORATIQN, Q13 IPATERSON, NEWJERSEY,

A CORPORATION on NEW JERSEY.

MACHINE FOR OPERATING 0N HEELS.

Patented A11 13, 1918.

' Application filed October 4, 1915. Serial No. 53,948.

To all whom it may concern: 7

Be it known that I, JOHN F. STANDIsH, a citizen of the United States,residing at Winthrop, in the county of Essex and StateofMa'ssachusetts,have invented certain Improvements in-Machines forOperating on Heels, of which the following descriptiom'in connectionwith the accompanying drawings, is a specification, likereferencecharacters on the drawingsindicating like parts in the several figures.

This invention relates to machines for operating on heels and is hereinshown as embodied in a machine for attaching a heel comprising twosections, one of leather and the other of rubber.

In manufacturing shoes having rubber. heels it is the practice to attachto theheel seat portion of the sole a leather or leatherboardsection ordeck which is comparatively incompressible and then, as a separateoperation, to attachto the deck the rubber sec tion which, of course, iscompressible to a.

great degree. 7 The first attaching operation is performed by drivingnails through the leather deck into the sole and the second at-' tachingoperation is performed by driving nails through the rubber section intothe previously attached deck. In the second operation the heads of theattaching nails are forced well beneath-the outer or tread press theleather deck upon the outsole will be much less than that required toeXert any considerable pressure upon the combined leather and rubbersections. An object of the present invention is to provide a machine bythe use of which'heel parts or sec tions of dissimilar character may beoperated upon in such manner as to give-the best results in all Cases.To thls end an important feature-of the invention consists 1ncooperating work pressing members, such asa jack and die plate, andpower driven mechanism for moving one of the members through apredetermined distance to press one part of a heel and thenautomatically througha greater distance to press two or operator tostart the machine with a leather deck in operative position and when.the

work pressing mechanism was set for its longer movement which isdesigned for pressing the combined leather and rubber parts. -Underthese circumstances an abnormally high pressure would be developed whichwould be destructive either to the last or to the machine itself- Withthese conditions in view another feature of the -invention'consists inmeans for insuring that the leather heel part alone shall not besubjected to the greater movement of the pressing member. As hereinshown this is brought about by providing means which prevent thepresentation of the leather deck in operative position when the pressingmechanism is set for the greater pressure movement. 7

Other' features of the invention relate to the jack upon which the shoeis supported in the machine. It will be apparent-that the thickness ofthe work to be operated upon I 7 sate for this difference the jackherein shown is made adjustable in its height by a predetermined amountand convenient means are provided for efiecting such adjustment.

These and other features'of the invention .will bebest understood andappreciated from the following description of a preferred embodimentthereof selected for purposes of illustration and shown in theaccompanying drawings, in which,

Figure 1 is a view 111 perspective of a machine embodying the invention;Figs. 2', Sand 1 are detail views of the pressure regulating mechanism;

Fig. 5 is a view of the machine in front elevation showing the work withpressure applied thereto;

Fig. 6 is a view in perspective of the holder for'the heel parts to beattached;

'Fig. 7 isa sectional view'showing the position of the leather deck andrubber section i I 7 prior to the operation of attaching the latter;

Fig. 9 is a sectional view showing the jack in a different position fromFig. 8;

Fig. 10 is a detail view of the gage slide, and

Fig. 11 shows a portion of a shoe with a leather deck and rubber heelsection attached.

The invention is herein illustrated as embodied in the well knownlightning nailing machine although itwvill be apparent that itsapplication is in no sense limited to that or to any other particularmachine.

The machine frame 2 carries at its upper end a stationary die plate-lprovided with passages for the drivers 20. At a point beneath the dieplate 4 the frame carries a stationary abutment or support 6 upon whichrests the movable jack carriage:

support 8. The support 8 is arranged to slide vertically in ways formed,partly in the machine 'frame and. partly gibs 10. carriage 12. which isarranged to slide in the ways above the support 8 and is maintained inposition above the support by a.

quick screw 30 which rests at its lowerend upon the support. T he ackcarriage 12 is provided with substantially horizontal ways for thereception of a jack 14 which is provided with an adjustable heel post,92 .and a toe post '95. The shoe to be operated upon is placed upon thejack and the variousheel parts are introduced beneath the die plate 4.

The machine frame is provided with vertical bearings in whichreciprocate a pair of side rods 16 carrying atltheir upper ends a crosshead 18 upon whichthe drivers 20. are

mounted and beingconnected at their lower ends to a cross head. 22 towhich movement is imparted from the machine shaft through an eccentric24.

The jack is arranged to be elevated by the operator to subject theworktoa measuring pressure prelimlnarily to-the power operation of themachine. To this end the quickserew 30 is provided at its lower end withan elongated pinion arranged to mesh with a rack .32. The rack isconnected to; a

bell crank'lever 84 pivoted upon a stud 35 setin the stationary,abutment 6 and connected through a link :36 to a treadle 38.

l/Vhen the treadle is depressed by :the operator the rack is movedtoward the left (Figs. 1 and 5) andthe screw 30-is turned so as toelevate the jack carriage with respectto the jack carriage support 8.The measuring mechanism herein shown is arranged for manual operationand: it is immaterial from the standpoint of the present inventionwhether such mechanism is manually or mechanically actuated.

'A pai1'=.of-eccentric cams 42 and 46 are journaled respectively in themovablesup- I eport 8 and'thestationary abutment 6 and are arranged-tobe oscillated bythe power of by The support 8 carries the jack themachine toelevate the support 8 and all the parts abovethe support inorder to subject the work, after the measuring operation, to'anincreased pressure. The cam 46 is secured to: a horizontallylextendingshaft 43 journaled in'the stationary abutment 6 and connected at itsrear end to a lever 45 to which motion is imparted from the left handThe, initial position in the machine of sup-J port 8 isdetermined by anadjustable stop 52-threaded into the lower side of the support andarranged to bear upon the upper surface of theabutment. 6. It willbeseen that by turning the stop 52 intoor out-.ofw

the .anovableosupport 8 thelatter. maybe raised or lowered andconsequently the effective movement imparted to thesupport 8 by theaction of the cams 42 and 46 may be regulated. If, for example, thethrowof the cams isone-half an 'inchand the stop .52

r is set for an initial separation of one-quarter of an mch themovement-imparted to thesup-port 8 will be only one-quarter of an inch.Onthe, other hand, if the stop 52 is so adjustedithat the initialseparation is 0 then the cams will be effective, in imparting a.movement-inf one-half an inchto the support.

Thesupport 8 is-provided with; an out-' wardly extending bossin which isadjustably received agsecondstop 54. which :is arrangedsomewhatrinadvance .of the front surface of the stationary abutment 6but in operative relation'to the innerend of ashort supportinglever 58pivotally mounted in the abutment 6. The-lever 58 carries at itsinnerend. a roller 60-=arranged to bear upon 7 the periphery of anotched cam disk 56 :ar-

ranged to turn loosely upon the outer-end of the shaft 43 abovereferred. to. The cam disk 561's so designed thatwhen the roller 60rests in one ofits notches the inner end of-the lever 58 will standbelow the end of the stop 54'so thatthe-stop-52 first mentioned will beeffectivein determining the The cam 42 isse-::

position of the support 8. However when I the roller 60 rests upon oneof the high portions ofthecam' disk -56-the stop 54 becomes effective todetermine-the initial position of the sup-port 8, holding the stop 52above the abutment 6 as shown in Fig. 3. It Will thus be seen that theposition of the lever 58 determines which one of thestops 52 or 54 is tocontrol the initial position of the supon the inner surface of a head 44yieldin'gly' held in place upon the end of the shaft 43- by a springplunger62 connected to a spring 64 as shown in Fig. 2. The head 44 has asliding pin connection with the shaft 43 so" that it-will turn with theshaft but may move longitudinally with respect 'thereto. The lever :58is provided with 'a dog 66 which is designedto fitin the notches of thecam disk 56 and prevent reverse'rotation thereof. It will be seen,therefore, that each time the shaft43 is oscillated the cam disk 56 willbe advanced one step in a counter-' clockwise direction but that in thereverse movement of the shaft the cam'disk will be held by the dog 66,the teeth of the head 44 then clicking over the ratchet teeth of the camdisk. In this way the cam disk 56 is moved to present alternately insuccessive cycles of the machine a notch or a high portion beneaththeroller 66 and the stop 54.

The heel parts to be attached are presented in operative position bymechanism now to be described. Provision is made for rotatably mountinga hub 7 0 at the rear of the die plate 4. The hub, as shown in Fig. 6;carries a pair'of spring fingers 72 which are designed to hold theleather deck of the heel. Disposed at right angles to the fingers 72 isthe holder for'the rubber section. This holder comprises a spanker plate74 and a retaining rim or flange 76'secured thereto and shaped to engagethe periphery of the rubber section as shown in Fig. 7. The spankerplate 74 is perforated to receive the shanks of the drivers 78 each ofwhich, as shown in Fig. 7, is provided with a. reduced shank and anenlarged head adaptech'when thespanker plate is forced against'the treadsurface of the rubber section, to drive the heads of the attaching nailsbeneath the surface of the rubber. In the initial position of themachine the fingers 72 are positioned to hold a leather deck beneath thedriver passages of the die plate while the-rubber section is held in"aposition' at 'one si'de." After the atta'cliingnailshave been driven:from the die-plate through the leather "deck the. holder is turnedthrough 90 f'-- and the i rubbersection is presented inythepositionformerly occupied by the leather deck.

. The jackl comprises :a base; 14 shaped to slide-in the ways of thejack carriage 12 andghaving sockets to receive downwardly extendingstems which are formed on-theibodyv part 86 ofthejaek. A pair of springs87 normally tend to elevate the body' part the right side of the jackistermined by the position rod llO having ahead through which passes abovethe base. On each side of the jack are arranged two pairs of verticaltoggle links 88 connected at their lower ends to the base 14 and attheir upper ends to the body part 86 of the jack. On both sides of thejack the knuckle of each pair of toggles is connected by a bar 89 andupon provided a handle90 by which the operator may break or straightenthe toggles to lower or elevate the jack. When the toggles are broken,as shown in Fig. 9, the body portion of the jack rests upon the base 14by which it is rigidly supported. When the toggle links arestraightened, as shown in Fig. 8, they act to support the body part '86rigidly a predetermined distance above the base. The adjustment of thejack here described compensates for the increased thicknessof the workdue to the presentation of the rubber section of the heel as will beapparent from Figs. 8 and 9.

Gage mechanism is provided for positioning the shoe upon the jack andthis mechanism is arranged for vertical adjustment with the body part 86of the jack. To this end there is provided a slide 99 having a pair ofdownwardly extending pins 97 arranged to slide freely through verticalbearings formed in a bracket 98 extending upwardly and rearwardly fromthe base 14. A pin 96 extends rearwardly from the body part- 86 of thejack through an aperture in the slide 99 and in this way maintains aconnection between the slide and the body part 86 in all positionsof'the jack. -The,

slide 99 carries a pair of pivotally mounted 7 side clamps 104 extendingupwardly and shaped to engage the counter portion of the shoe adjacentto the'rand crease. The slide 99 also carries a rod 106 carrying at itsupper end a back gage .108. The position of the back gage from front torear is de' 7.

of an adjustable the'slide 99 and'all the gages'carried by it 3 arecorrespondingly lowered and when the 1 body part of the jack is elevatedthe gages arealso elevated.

' In the normal operation of the machine the shoe is jacked and theleather'de'ckpresented in operative position; The operator thendepresses the treadle 38 to measure the .work: At.this timethe stop 54of the mom ablesupport 8 is effective, a high part of the cam disk beingbeneath the roller 60, as shown in Fig. 3. The operator then starts 'themachine whereupon the cross head de- &

scends and the cams 4-2 and 4:6 are rocked to elevate the support 8. Itwill be apparent that on account of the relatively incompressible natureof the leatherdeck a relatively small movement of the support 8 will.be-

sufficient to subject the work to the required pressure. This is exactlywhat takes place because the stop 5% brings about a considerable initialseparation of the abutment '6 and support 8 so that only thelast-portion of the movement of the oscillatory cams 4:9. and ib iseffective in elevating the support 8.

In the continued downward movement of. the cross head the pressure camsare first turned and, when the work is under pressure, the drivers 20drive the attaching nails downwardly through the leather deck and I theoutsole as shown in Fig. 8. During the compensate for the addedthickness of the work. The treadle 38 is then depressed to measure thework as before and the machine again set in operation. In this cycle the"oscillation of the cams i2 and 46 efiects aconsiderably greatermovement of the support 8 and on account of the flexible nature of therubber section this greater movement results I in no more than therequired pressure. In this operation the shorter attaching nails withwhich the rubber section has been pre viously loaded are forced into theleather deck 1,00 and their heads are embedded below the surface of therubber. During this cycle the cam disk 56 has been advanced another stepso that when the machine comes to rest it is in readiness to operateagain upon a leather deck. 7

In order to prevent the presentation of a leather deck in operativeposition when the pressure mechanism is set for the combined leather andrubber sections safety mecha nism which will now bedescribed isprovided.

The outer end of the lever 58 is connected to a vertically extending rod82 which carries at its upper end a finger 83, extending toward theholder for the heel section. Upon the holder at the opposite side ofthe'hub from the rubber sect-ion holder is a short bar 80 which isarranged to swing in such a path that it will be encountered by thefinger.

83 when the inner end of the lever58 occupies one of the notches in thecam disk 56, that is, the poslt on correspond ng to maxiinumpressure.Itwill be seen'tha'tthe operator is thi'is prevented from presenting theleather deck until the pressuremechanism isproperly adj usted,this beingusuallyefiected by causing the machine to make an idle cycle ofoperations;

Having.thusrdescribedmy invention, I

claim as new and, desire to secure by Letters n Patent oft-he UnitedStates:

1. A'machine for operating on heels, having, in combination, relativelymovable work pressing members, means :for moving one of i saidmembers-toapply a measuring pressure to the work, andautoinati'c'ally actingmechanism for subsequently moving one of sald membersthrough greater andlesser dis- I tances alternately in successive cycles of the machine forapplying additional pressures. 2. A machlne for operating on-heels,havmg, 111 combinatiomrclatively movable workpressingmembers, means forpresenting sue cessively 1n operatlvepositlon-a plurality of heel parts,and mechanism for automatically impartingpressure applying movements ofdifferent amounts to one ofthe-work pressing members.

3. A machine for operating on heels,-having, in combination, relativelymovable work pressing members, means for presenting a leather heel partand then a rubber heel part in operative position, and mechanism actingautomatically on one of the pressing members to movesaid member through.a small distance after theleath'er heel partispos t oned and thenthrougha greater distance after the rubber heel= part has beenpositioned.

4-. 'A machine for operating onheels, having, in combination, a dieplate and jack arranged for relative movement, means for unoving one ofsaid members toward the other, to measure the. work, and power drivenmechanism for further moving the same member alternately greater andlesser distances in successive cycles of the machine.

5. A machine for operatingon heels, having, in combination, workpressing members, one of which is stationary and the-other movable,means for presenting a leather heel part and then a rubber heel partinoperative position, and power driven mechanism for moving the*movablemember through a predetermined distance to press the leather heelp'artand then through-a greater distance to press the combined heel parts;

6. A machine for operating on heels, having, in combination, workpressing members,

.one ofwhichi is stationary and'the other movable, one being also shapedto sustain a shoe, means for' presentingato the heel seat of a shoe aleather heel part for attachment andthena rubber heel part, workmeasuring mechanism, and power driven'mea'ns for moving themovablemember-through a rela-' tively short distance to press the 'leather'heelpart and through a relatively long distance to press the combined heelparts.

7 A machine for operating on heels, hav-- 'ing, in combination,relatively movable Work pressing members, means for presenting inoperative position first a leather heel part and then a rubber heelpart, power driven mechanism for moving one of the pressing membersafter each presentation to press the Work, the movement of said memberbeing alternately long and short, and means for insuring that theleather heel part alone shall not be subjected to the longer movement ofthe pressing member.

8. A machine for operating on heels, having, in combination, relativelymovable Work pressing members, a carrier for presenting in operativeposition first a leather heel part and then a rubber heel part, powerdriven mechanism for moving one of the pressing members after eachpresentation to press the Work, the movements of said member beingdifi'erent in extent in successive cycles of the machine, and means forpreventing the presentation of a leather heel part when said mechanismis set for other than a short movement of the pressing member.

9. A machine for operating on heels, having, in combination, a die plateand jack arranged for relative movement, mechanism for eii'ecting suchmovement, a controlling cam shaped to vary the extent of successivemovements, and means for independently adjusting the extent of thealternate movements.

10. A machine for operating on heels, having, in combination, a dieplate and jack arran ed for relative movement, mechanism for efiectingsuch movement, a pair of adjustable stops for determining the initialrelative position of the die plate and jack, and automatic mechanism forrendering the stops alternately effective.

I 11. A machine for operating on heels, havlng, 1n combinatlon, a dieplate and jack arranged for relatlve movement, a supporting member forone of said elements a r-c a movable controlling member arranged torender said stops operative alternately in successive cycles of themachine.

13. A machine for operating on heels, having, in combination, a dieplate and jack arranged for relative movement, alternately acting stopsfor determining the extent of such relative movement, a cam disk havingalternate high and low points arranged in line With one of the stops,and means for moving the cam disk one step in each cycle of the machine.

14:. In a heel attaching machine, a spanker plate having a rigidlyattached holder shaped to embrace the periphery of a rubber heelsection, and'separate drivers set in the spanker plate, each having areduced shank shaped to fit into an openingin the spankerplate and anenlarged head adapted to drive the attaching nails beloW the surface ofthe rubber heel section. V

In testimony whereof I have signed my name to this specification.

JOHN F. STANDISH.

copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. G.

